git.zerfleddert.de Git - proxmark3-svn/blob - client/cmdparser.c

   1 //-----------------------------------------------------------------------------
   2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
   3 //
   4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   5 // at your option, any later version. See the LICENSE.txt file for the text of
   6 // the license.
   7 //-----------------------------------------------------------------------------
   8 // Command parser
   9 //-----------------------------------------------------------------------------
  10
  11 #include <stdio.h>
  12 #include <string.h>
  13 #include "ui.h"
  14 #include "cmdparser.h"
  15 #include "proxmark3.h"
  16
  17 void CmdsHelp(const command_t Commands[])
  18 {
  19   if (Commands[0].Name == NULL)
  20     return;
  21   int i = 0;
  22   while (Commands[i].Name)
  23   {
  24     if (offline == 0 || Commands[i].Offline)
  25       PrintAndLog("%-16s %s", Commands[i].Name, Commands[i].Help);
  26     if (offline == 2 && !Commands[i].Offline)
  27       PrintAndLog("%-14s @ %s", Commands[i].Name, Commands[i].Help);
  28     ++i;
  29   }
  30 }
  31
  32 void CmdsParse(const command_t Commands[], const char *Cmd)
  33 {
  34   char cmd_name[32];
  35   int len = 0;
  36   memset(cmd_name, 0, 32);
  37   sscanf(Cmd, "%31s%n", cmd_name, &len);
  38   int i = 0;
  39   while (Commands[i].Name && strcmp(Commands[i].Name, cmd_name))
  40     ++i;
  41
  42   /* try to find exactly one prefix-match */
  43   if(!Commands[i].Name) {
  44     int last_match = 0;
  45     int matches = 0;
  46
  47     for(i=0;Commands[i].Name;i++) {
  48       if( !strncmp(Commands[i].Name, cmd_name, strlen(cmd_name)) ) {
  49         last_match = i;
  50         matches++;
  51       }
  52     }
  53     if(matches == 1) i=last_match;
  54   }
  55
  56   if (Commands[i].Name) {
  57     while (Cmd[len] == ' ')
  58       ++len;
  59     Commands[i].Parse(Cmd + len);
  60   } else {
  61     // show help for selected hierarchy or if command not recognised
  62     CmdsHelp(Commands);
  63   }
  64 }